github.com/pingcap/ticdc@v0.0.0-20220526033649-485a10ef2652/pkg/etcd/etcd_test.go (about)

     1  // Copyright 2020 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package etcd
    15  
    16  import (
    17  	"context"
    18  	"net/url"
    19  	"testing"
    20  	"time"
    21  
    22  	"github.com/pingcap/check"
    23  	"github.com/pingcap/ticdc/pkg/util/testleak"
    24  	"go.etcd.io/etcd/clientv3"
    25  	"go.etcd.io/etcd/embed"
    26  )
    27  
    28  func Test(t *testing.T) { check.TestingT(t) }
    29  
    30  type etcdSuite struct {
    31  	etcd      *embed.Etcd
    32  	clientURL *url.URL
    33  }
    34  
    35  var _ = check.Suite(&etcdSuite{})
    36  
    37  // Set up a embeded etcd using free ports.
    38  func (s *etcdSuite) SetUpTest(c *check.C) {
    39  	dir := c.MkDir()
    40  	curl, e, err := SetupEmbedEtcd(dir)
    41  	c.Assert(err, check.IsNil)
    42  	s.clientURL = curl
    43  	s.etcd = e
    44  }
    45  
    46  func (s *etcdSuite) TearDownTest(c *check.C) {
    47  	s.etcd.Close()
    48  logEtcdError:
    49  	for {
    50  		select {
    51  		case err := <-s.etcd.Err():
    52  			c.Logf("etcd server error: %v", err)
    53  		default:
    54  			break logEtcdError
    55  		}
    56  	}
    57  }
    58  
    59  func (s *etcdSuite) TestEmbedEtcd(c *check.C) {
    60  	defer testleak.AfterTest(c)()
    61  	curl := s.clientURL.String()
    62  	cli, err := clientv3.New(clientv3.Config{
    63  		Endpoints:   []string{curl},
    64  		DialTimeout: 3 * time.Second,
    65  	})
    66  	c.Assert(err, check.IsNil)
    67  	defer cli.Close()
    68  
    69  	var (
    70  		key = "test-key"
    71  		val = "test-val"
    72  	)
    73  	_, err = cli.Put(context.Background(), key, val)
    74  	c.Assert(err, check.IsNil)
    75  	resp, err2 := cli.Get(context.Background(), key)
    76  	c.Assert(err2, check.IsNil)
    77  	c.Assert(resp.Kvs, check.HasLen, 1)
    78  	c.Assert(resp.Kvs[0].Value, check.DeepEquals, []byte(val))
    79  	s.TearDownTest(c)
    80  }